package com.hsh;

import com.google.common.collect.Lists;

import java.util.HashMap;
import java.util.List;

/**
 * @author: shaohai.huang
 * @date: 2019-10-10
 */
public class gdffd {
    public static void main(String[] args) {
        HashMap<String, List<String>> map = new HashMap<>();
        List<String> list = map.get("1");
        list = Lists.newArrayList("2");
        System.out.println(map);
    }
}
